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leftPad()左边填充第三个参数的值。
public String getTime(){
String time = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmssSSS");
return time;
}
leftPad()左边填充第三个参数的值。
public String getTime(){
String time = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyyMMddHHmmssSSS");
return time;
}
本文标题:产生4位随机数及时间字符串
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